Skip to main content

Table 3 Univariate analyses of the prognostic factors associated with reactivation/worsening after the first course of vinblastine

From: Vinblastine chemotherapy in adult patients with langerhans cell histiocytosis: a multicenter retrospective study

Characteristic

N = 35

HR (95% CI)

p-value

Age at vinblastine, years

33 [28–42]

1.03 (0.99; 1.08)

0.13

Male sex, n (%)

23 (66%)

0.67 (0.26; 1.75)

0.41

Smoking status

 Non-smoker

18 (53%)

1.00

 

 Ex-smoker

9 (27%)

1.15 (0.26; 4.95)

0.86

 Smoker

7 (20%)

0.91 (0.24; 3.50)

0.89

LCH localizations, n (%)

 Bone

27 (77%)

0.56 (0.21; 1.48)

0.27

 Lung

17 (49%)

0.56 (0.21; 1.48)

0.24

 Diabetes insipidus

14 (40%)

0.60 (0.22; 1.64)

0.31

 Anterior hypophysis dysfunction

14 (40%)

0.51 (0.15; 1.79)

0.29

 Skin

9 (26%)

1.95 (0.74; 5.14)

0.18

 Peripheral lymph nodes

10 (29%)

0.67 (0.15; 2.95)

0.59

Classification of LCH

 MS

28 (80%)

1.00

 

 SS

 

1.46 (0.41; 5.23)

0.56

First vinblastine dosea

 

1.00 (0.96; 1.05)

0.86

Duration of first course, months

 

0.97 (0.89; 1.05)

0.41

  1. HR hazard ratio, CI confidence interval, LCH Langerhans cell histiocytosis, MS multisystem, SS single system
  2. aReported HR represents the increased risk of reactivation/worsening for two patients exhibiting a difference of 10 mg in vinblastine dose